The Excess of Cleaning Detergent Left on Clothes after Washing By Different Laundry Detergents

Science Fair Project Information
Subject: Chemistry
Grade level: High School - Grades 10-12
Academic Level: Ordinary
Project Type: Experimental
Cost: Low
Awards: Second Place, Canada Wide Virtual Science Fair (2006)
Affiliation: Canada Wide Virtual Science Fair (VSF)
Year: 2006
Description: Large amounts of washing detergent leftovers are extremely harmful to our body and skin. In this experiment, the leftovers of different laundry detergents (Tide, Sunlight and Extra) are measured by measuring the pH of washing machine water after different washing machine water operation cycles.
Link: http://www.virtualsciencefair.org/2006/park6l2/